1.8507 (34CrAlMo5-10)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Nitriding Steels

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Al, % P, % C, % S, % Mo, %
95.72–97.35 < 0.4 0.4–0.7 1–1.3 0.8–1.2 < 0.025 0.3–0.37 < 0.035 0.15–0.25

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{L}$$, $$J$$ Treatment
16–40 moderate hardening 800–1000 600 14 35
40–100 moderate hardening 800–1000 600 14

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 248

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)